[INFO] fetching crate ironclad-channels 0.9.7...
[INFO] testing ironclad-channels-0.9.7 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate ironclad-channels 0.9.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ironclad-channels 0.9.7
[INFO] finished tweaking crates.io crate ironclad-channels 0.9.7
[INFO] tweaked toml for crates.io crate ironclad-channels 0.9.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ironclad-channels 0.9.7 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ironclad-channels 0.9.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf1c60eb5612bc2db890786886f39a33556f4be15fd537d83122280980867db3
[INFO] running `Command { std: "docker" "start" "-a" "cf1c60eb5612bc2db890786886f39a33556f4be15fd537d83122280980867db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1c60eb5612bc2db890786886f39a33556f4be15fd537d83122280980867db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1c60eb5612bc2db890786886f39a33556f4be15fd537d83122280980867db3", kill_on_drop: false }`
[INFO] [stdout] cf1c60eb5612bc2db890786886f39a33556f4be15fd537d83122280980867db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef7fe0bdb1e0fcdd618748c28fa4b779d69d39518f40a589ee3a9a22f349fe0
[INFO] running `Command { std: "docker" "start" "-a" "bef7fe0bdb1e0fcdd618748c28fa4b779d69d39518f40a589ee3a9a22f349fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling stop-token v0.7.0
[INFO] [stderr]    Compiling imap-proto v0.16.6
[INFO] [stderr]    Compiling email-encoding v0.4.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling email_address v0.2.9
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]    Compiling quoted_printable v0.5.1
[INFO] [stderr]    Compiling mail-parser v0.9.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/0abe69e6c16114311cc2700e972492e64d69c28f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=ceb78e5bef6e4cb3 -C extra-filename=-7c7437438a104b4b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-28532d321a976b97.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bef7fe0bdb1e0fcdd618748c28fa4b779d69d39518f40a589ee3a9a22f349fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef7fe0bdb1e0fcdd618748c28fa4b779d69d39518f40a589ee3a9a22f349fe0", kill_on_drop: false }`
[INFO] [stdout] bef7fe0bdb1e0fcdd618748c28fa4b779d69d39518f40a589ee3a9a22f349fe0